Question and response
Question
dig dcv.digicert.com. NS
Answer
dcv.digicert.com. 5 CNAME dcv.dcvcheck.com.
Authority
dcvcheck.com. 143 SOA ns10.digicertdns.com. dns.digicertdns.com. 2016717971 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0